TY  - BOOK
AU  - Scheaffer,Richard L.
AU  - Mendenhall,William
AU  - Ott,Lyman
TI  - Elementary survey sampling
SN  - 053492185X (cased)
PY  - 1990///
CY  - Boston, Mass.
PB  - PWS-KENT
KW  - Sampling (Statistics)
ER  -